Since it's easy to lose track of who you've delegated in your zone, my suggestion is to add /cityviewdelegates. The command outputs a list with account names that are a delegate.
Command: cityviewdelegates
Chatbox output:
Players who have been delegated in this zone:
mustrama
wassef
I guess you could say "write it down" but so far we've had to write down our Account name, Password, PIN, E-mail, Forum Account, Forum Password, Forum E-mail (optional), radio stations and what not. My B > Notes is full.
